Tracked live by the FAA, but its flight plan was first seen after takeoff, so we don't know the scheduled time and can't say whether it's late.

SOUTHWEST · FLIGHT WN 1861 LANDED 2:19 PM CT, ~10 MIN LATE · SCHEDULED TIME UNKNOWN
Yesterday

WN 1861 · PHL → BNA

took off 1:48 PM ET · landed 2:19 PM CT (scheduled time unknown)
Forecast issued Tue 10:00 PM ET · 8h after departure

Odds over time

Arrive at BNA more than 15 minutes late?
23% chance · ±0 pts – · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
WEATHER FORECASTS LIVE IN THE AIR 0% 10% 20% 30% 40% 10h 6h Departs Lands